Yoshitake GPK-2001, Installation & Operation Manual

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■ EPDT-098a ■
-1-
1. Specifications
[Models]
Model Nominal pressure Connection Nominal size
The ratio of control pressure
to setting pressure
GPK-2001
2.0 MPa
Screwed 15 ~ 50A
1: 1
Flanged 15 ~ 100A
1.0 MPa
GPK-2003
2.0 MPa
Screwed 15 ~ 50A
1: 3.5
Flanged 15 ~ 100A
1.0 MPa
[Specifications]
Model GPK-2001 GPK-2003
Reduced pressure
sensing method (*1)
External sensing
Connection JIS Rc screwed, JIS 20K RF flanged, JIS 10K FF flanged
Nominal size 15 ~ 50A (Screwed), 15 ~ 100A (Flanged)
Fluid Steam
Inlet pressure
0.1 ~ 2.0 MPa (JIS Rc, JIS 20K)
0.1 ~ 1.0 MPa (JIS 10K)
0.25 ~ 2.0 MPa (JIS Rc, JIS 20K)
0.25 ~ 1.0 MPa (JIS 10K)
Reduced pressure
0.05 ~ 0.9 MPa (JIS Rc, JIS 20K)
0.05 ~ 0.85 MPa (JIS 10K)
0.2 ~ 1.4 MPa (JIS Rc, JIS 20K)
0.2 ~ 0.85 MPa (JIS 10K)
85% or less of inlet pressure (gauge pressure)
System air pressure Refer to Standard “Loading pressure - Set pressure” chart line.
Min. differential
pressure
0.05 MPa
Max. pressure reducing
ratio
20: 1 10: 1
Max. temperature 220 °C
Valve seat leakage 0.01% or less of rated flow
M
at
eria
l
Body Ductile Cast iron
Main valve Stainless steel
Main valve seat Stainless steel
Pilot valve Stainless steel
Pilot valve seat Stainless steel
Diaphragm Stainless steel
(*1) For reduced pressure sensing method, internal sensing method valves will be
available upon request.
Caution
(1) Please collate with attached nameplate and specification of ordered model.
* Please consult factory in case they do not match each other.